RA/DEC (2000)
01:48:59.626 +18:54:33.75
27.2484408 +18.9093737
Type
SN Ia
Redshift
0.09
Discovery ReportClassification Report
Reporting Group
LAST
Discovering Data Source
LAST
Discovery Date
2025-11-17 19:11:02.976
TNS AT
Y
Public
Y
Discovery Mag
20.06
Filter
Clear-
Reporter/s
R. Konno (WIS), E. A. Zimmerman (WIS), A. Horowicz (WIS), S. Garrappa (WIS), E. O. Ofek (WIS), S. Ben-Ami (WIS), D. Polishook (WIS), O. Yaron (WIS), P. Chen (WIS), A. Krassilchtchikov (WIS), Y. M. Shani (WIS), E. Segre (WIS), A. Gal-Yam (WIS), S. Spitzer (WIS), and K. Rybicki (WIS) on behalf of the LAST Collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025aecd - 2025-11-28 07:10:39 P60 / SEDM (ZTF)z=
▌Show H at z=vexp= km/s
▌Show He at z=vexp= km/s
▌Show He II at z=vexp= km/s
▌Show C II at z=vexp= km/s
▌Show C III at z=vexp= km/s
▌Show C IV at z=vexp= km/s
▌Show N II at z=vexp= km/s
▌Show N III at z=vexp= km/s
▌Show N IV at z=vexp= km/s
▌Show N V at z=vexp= km/s
▌Show O at z=vexp= km/s
▌Show [O I] at z=vexp= km/s
▌Show O II at z=vexp= km/s
▌Show [O II] at z=vexp= km/s
▌Show [O III] at z=vexp= km/s
▌Show O V at z=vexp= km/s
▌Show O VI at z=vexp= km/s
▌Show Na at z=vexp= km/s
▌Show Mg at z=vexp= km/s
▌Show Mg II at z=vexp= km/s
▌Show Si II at z=vexp= km/s
▌Show S II at z=vexp= km/s
▌Show Ca II at z=vexp= km/s
▌Show [Ca II] at z=vexp= km/s
▌Show Fe II at z=vexp= km/s
▌Show Fe III at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Tellurics 
▌Show Galaxy lines at z=
▌Show WR-WN at z=vexp= km/s
▌Show WR-WC/O at z=vexp= km/s
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌ATLAS-TDO_ATLAS-05_wide
 ▌LAST_LAST-Cam_Clear
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌ATLAS-HKO_ATLAS-02_cyan
   
Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)
Spectra
 ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
22464 2025-11-28 07:10:39 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025aecd_2025-11-28_07-10-39.471527_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-11-19 22:09:16 - 2025-11-19 22:09:16 2460999.4231 - 2460999.4231 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
532623 2025-11-19 22:09:16 2460999.4231 19.802 0.179 20.03 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
Clear- LAST_LAST-Cam 2025-11-15 19:20:31 - 2025-11-17 19:11:03 2460995.30592 - 2460997.29934 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
532137 2025-11-17 19:11:03 2460997.29934 20.06 ABMag Clear- LAST_LAST-Cam 400
532136 2025-11-15 19:20:31 2460995.30592 20.82 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-11-14 22:38:29 - 2025-11-16 22:51:45 2460994.443392 - 2460996.452597 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
532170 2025-11-16 22:51:45 2460996.452597 19.81 0.15 ABMag L-GOTO GOTO-N_GOTO-1 180
532169 2025-11-14 22:38:29 2460994.443392 20.2 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-11-13 07:18:38 - 2025-11-28 06:18:51 2460992.8046065 - 2461007.7630903 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
534350 2025-11-28 06:18:51 2461007.7630903 18.8477 0.103202 ABMag r-ZTF P48_ZTF-Cam
534349 2025-11-27 05:26:51 2461006.7269792 18.8496 0.072396 ABMag r-ZTF P48_ZTF-Cam
534348 2025-11-13 07:18:38 2460992.8046065 20.3478 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
cyan-ATLAS ATLAS-HKO_ATLAS-02 2025-11-17 10:34:04 - 2025-11-17 10:34:04 2460996.94032 - 2460996.94032 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
532622 2025-11-17 10:34:04 2460996.94032 19.46 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
AT Reports
ID Time received (UT) Sender Reporter/s Reporting group Disc. Data Source RA DEC Discovery date (UT) Discovery Mag. Filter Related files AT Type Host name Internal name Assoc. Groups End prop. period Remarks ADS Bibcode Unreal Auto classification
278521 2025-11-28 06:34:48 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 01:48:59.626 +18:54:33.75 2025-11-27 05:26:51.002 18.8496 r-ZTF PSN ZTF25acewmjr ZTF N
277697 2025-11-20 04:19:57 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 01:48:59.659 +18:54:33.44 2025-11-19 22:09:15.840 19.802 wide-ATLAS PSN ATLAS25ooe ATLAS N
277471 2025-11-18 00:15:55 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 01:48:59.604 +18:54:34.17 2025-11-16 22:51:44.640 19.81 L-GOTO Other GOTO25kio GOTO N
277455 2025-11-17 20:46:43 LAST_Bot1 R. Konno (WIS), E. A. Zimmerman (WIS), A. Horowicz (WIS) et al. LAST LAST 01:48:59.624 +18:54:34.04 2025-11-17 19:11:02.976 20.06 Clear- PSN LAST 2025TNSTR4620....1K N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22463 2025-11-28 08:04:19 ZTF_Bot1 C. Fremling, D. Neill, Y. Sharma on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore ZTF SN Ia 0.09 1 ZTF 2025TNSCR4753....1F
Spectra
ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
22464 2025-11-28 07:10:39 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025aecd_2025-11-28_07-10-39.471527_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Fri, 11/28/2025 - 06:34

Object coordinates updated

Object coordinates updated according to AT-report 278521 of Group ZTF
Previous RA, DEC: 01:48:59.659, +18:54:33.44 (27.24858, +18.9092885714)
Updated RA, DEC: 01:48:59.626, +18:54:33.75 (27.2484408, +18.9093737)

TNS
System

Thu, 11/20/2025 - 04:19

Object coordinates updated

Object coordinates updated according to AT-report 277697 of Group ATLAS
Previous RA, DEC: 01:48:59.604, +18:54:34.17 (27.248348, +18.909493)
Updated RA, DEC: 01:48:59.659, +18:54:33.44 (27.24858, +18.9092885714)

TNS
System

Tue, 11/18/2025 - 00:15

Object coordinates updated

Object coordinates updated according to AT-report 277471 of Group GOTO
Previous RA, DEC: 01:48:59.624, +18:54:34.04 (27.248434066772, +18.909456253052)
Updated RA, DEC: 01:48:59.604, +18:54:34.17 (27.248348, +18.909493)